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← HistoryWhich consequence results when the ratio of potassium nitrate to sulfur and charcoal in early Chinese gunpowder varies significantly?
A)Decreased muzzle velocity and range✓
B)Increased metallic corrosion in cannons
C)Enhanced fragmentation of cast iron
D)Improved hygroscopic stability in storage
💡 Explanation
Decreased muzzle velocity results because changing reactant ratios impacts the combustion thermochemistry; the deflagration rate changes because reactant concentrations impact reaction kinetics therefore velocity decreases, rather than improvements to range, corrosion, or fragmentation from stable combustion.
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